Ticker tape projecting machine



Nov. 17, 1936. n-z 2,061,512

TICKER TAPE PROJECTING MACH INE Original Filed July 8, 1930 3 Sheets-Sheet l INVENTOR ATTORNEY Nov. 17, 1936. A. D. EITZEN TICKER TAPE PROJEC'IING MACHINE 3 Sheets-Sheet '2 Original Filed July 8, 1930 67 57 5 INVENTOR fifiitzem' b /(0M1 ATTGRNEY Azguo't BY Nov. 17, 1936.

A. D. EITZE N TIckER TAPE PROJECTING MACHINE Original Filed July 8, 1930 s Sheets-Sheet s MW m N R 01 5 En Z /ZZH m y W a J J 5 Am M www k a "2 a1 a, Q r? w l. &/ w% o a A 0 7 n 3 a M J 9 J a WWW. 1 w a Patented Nov. 17, 1936 UNITED STATES 2,061,512 Q 'ricKEa TAPE raom'orme MACHINE August D. Eitzen, Rockville Centre, N. Y., as-

signor to News Projection Corporation, New York, N. Y., a corporation of New York A plication July 8, 1930, Serial No. 466,387 Renewed August 24, 1936 45 Claims. (Cl. 271-23) This invention relates to ticker tape projecting machines in general. Due to the value of the information imparted to brokers and the like by ticker tape or stock quotation projecting machines, and the constantly increasing use towhich these machines are being put, the need for-a machine that will be reliable at all times and under all conditions is becoming increasingly apparent.

As an instance, the tape when passing through the projecting machine or past the light aperture must be so controlled that it will be smooth and free from vibrations. In an endeavor to produce smooth movement of the tape, recourse has been had to friction creating devices for engaging the tape between the ticker and the light aperture to prevent the transmission to the tape at the light aperture of. the vibrations transmitted to the tape by the ticker.

These friction creating devices, however, have caused considerable difiiculty in actual practice. As an instance, when cellophane tape was used as the ticker tape, the moisture would afiect the tape during humid days and cause the same to adhere to the friction creating devices during the periods of rest, resulting in objectionable jerks being transmitted to the tape when the tape would be released from the friction creating devices after so adhering to the same. Furthermore, due to the fact that tape stock, whether of paper or of cellophane, varied in thickness, the

pressure of such friction creating devices would have to allow for such variations and consequently if eflicient for one thickness would not be equally satisiactory for another thickness. Aside from the foregoing, however, these friction creating devices require constant attention in order to insure proper adjustment from day to day, depending upon the humidity and the like. Furthermore, however, due to the pressure exercised on the tape by these friction creating devices, the force of the tape puller would have to be in excess of the force required normally to pull the tape through the projecting machine in order to overcome this pressure.

As one expedient for providing such excess force, the tape pulling rollers were provided with knurled tape gripping faces. Such knurled faces, due to wear, would require adjustment from time to time. If, on the other hand, knurled faced rollers were not required to take care of such excess pulling force and to the consequent constant adjustment dispensed with and smooth faced rollers'could be used, less wear would result and of course less attention required for readjustment, if any.

Also, with stock quotation projecting machines, in an effort to time the tape puller to pull the tape only as it is delivered by the ticker, means have been provided to control the operation of the motor used to actuate the tape puller to start and stop as the ticker starts and stops, and to depend upon the inertia of the motor to effect a gradual acceleration and gradual deceleration of the tape puller when starting and stopping. So far as the ultimate result is concerned, fairly good results have been achieved with this arrangement when the ticker so operated at a comparatively slow rate of speed, to wit, not to exceed a speed of thirty-five inches of tape per minute. More recently, however, due to the volume of business transacted on the large exchanges, the tickers heretofore in use were so far behind the market that it was found neces- I sary to provide a ticker of greater speed.

' Tickers of such greater speed have been introduced and have now been in use for some several months in which the maximum speed is approximately sixty-three inches per minute as g 4 compared to thirty-five inches per minute of feed of the old type of ticker. With this high speed ticker, it has been found that the inertia of the motor could not be reliedupon to give a smooth gradual acceleration and a smooth gradual de celeration without decided disadvantages.

Aside from the foregoing, however, when electric motors were used as the motor arrangements of this type in which the motor was controlled to start and stop in timed relation with the starting and stopping of the ticker, a number of independent elements were required, each calling for separate attention and adjustment from time to time, as for instance a reduction gearing between the electric motor and the tape puller, switch elements connected with a loop forming arm, electrical wiring to such switch elements, variable resistance not only to prevent the overheating of the motor but also to regulate the velocity of the motor, and arc preventing means as for instance a condenser across the spark gap of the switches associated" with the loop forming arm. Due to the fact that the motor when cold would operate at a difi'erent velocity and plot a different curve when stopping and starting than when heated up, a predetermined uniform feed of the tape was practically impossible without constant attention. When aggravated. Aside from the foregoing, these arrangements were limited to tickers that operated at a predetermined speed and could not be used satisfactorily with tickers such as the present high speed ticker in which the rate of speed changes from time to time.

The present invention has for an object to satisfy the several requirements aforesaid and others which will appear from the detail description, and to overcome all of the objections of the arrangements heretofore used as above set forth.

Among other objects, the present invention has for an aim to provide a centralized unit dispensing with a separate friction creating device, a separate reduction gearing, switches associated with the loop forming arm, variable resistance for the motor, and the like.

The present invention hasalso for an object to provide a centralized unit, as aforesaid, which may be adjusted at the shop before installation and replace the unit in use with the greatest ease and facility.

Among other objects of the present invention it is also aimed to provide a device which can be readily accommodated to feed the tape at any speed up to a feed of sixty-three inches of tape per minute and more, the starting and stopping of which will be so graduated as to maintain a smooth movement of the projected images; and which rate of feed will quickly respond to the variations in speed of the ticker Without adjustment. 3

It is still a further object of the present invention to provide a centralized unit, as aforesaid,

having a central lubrication system.

It is still further an object of the present invention to provide an improved device, as aforesaid, having a constantly running motor, which device will take care of the variations in the velocity of the motor within predetermined limits.

The present invention still further aims to provide a centralized unit, 'as aforesaid, in which the tape passes from one rotating surface at the entrance end of the light aperture to another rotating surface at the discharge end, without in any way engaging any surface adjacent to the light aperture, and which tape is not impinged in any Way during its path of movement from the ticker to the discharge end of the light aperture, and thus effectively prevent the adhesion of the tape when passing from the ticker to the discharge end of the light aperture and in which a smooth-faced tape pulling roller may be used with just suflicient pulling force to pull the tape through the light aperture as it is discharged by the ticker.

These and other features, capabilities and advantages of the invention will appear from the subjoined detail description of one specific embodiment thereof illustrated in the accompanying drawings in which Figure 1 is a front elevation of a stock quotation projecting machine equipped with the present improvement;

Fig. 2 is a plan of the same with the screen housing removed;

Fig. 3 is a section of the centralized unit constituting the main part of the present invention;

Fig. 3a is a section on the line 3a--3-a of Fig. 3;

Fig. 4 is a section on the line 4-4 of Fig. 3;

Fig. 5 is a section on the line 5-5 of Fig. 3;

Fig. 6 is a-section on the line 6-6 of Fig. l; and

Fig. '7 is a fragmental end elevation of the rewind reel.

In the embodiment illustrated, there is provided a ticker I disposed adjacent to a projecting machine 2. The tape T, as it is intermittently discharged by the ticker I, passes across the light aperture or support 3 of a frame such as the projecting machine 2 and then passes to the tape pulling roller 4 of the tape puller, and from there passes down under the idler 5 to the rewind reel 6. Images of the marks on the tape are projected to the objective lens I and from there projected onto the mirror 8 and by the mirror 8 reflected onto the screen 9. The mirror 8 and screen 9 are shown disposed above the objective lens I. The ticker I, in the present instance, represents a high speed ticker.

In the present instance, the tape T, after leaving the ticker I,. is not passed between any impinging surfaces until it arrives at the tape pulling roller 4. It first passes under the finger ID of the lever I I and then passes over the roller I2 at the entrance end of the light aperture 3, and then clears the light aperture passing directly over to the tape pulling roller 4 which is a smooth-faced roller as indicated in Fig. 5, the smooth face of which passes through an uppermost path of movement which is disposed above the level of the light aperture 3 to-cooperate with the roller I2 to maintain the tape T clear of the-light aperture 3.

The tape pulling roller 4, lever I I and reel 6 are all part of a centralized unit which is associated with the casing I3 which can be quickly removed from the side of the projecting machine 2 by removing the screws I4 and I5 which pass through the ears I6 and I! of the housing I3 into the side wall of the projecting machine 2. By so locating these several elements with the driving connections, hereinafter to be described, in asso ciation with the housing I3, the same can be quickly replaced when desired by a new unit and all adjustment be made at the shop before delivery to the place of installation.

Adjacent to the casing I3 is located the motor I8 which is mounted on the support I9 in position to be connected to the actuating means in the casing I3. The motor I8 is a continuously operating motor which is provided with a sheave connected to the sheave 2I by the belt 22. The sheave 2I is mounted on the shaft 23 extending through the walls 24 and 25 of the casing I3 and mounted in the ball bearings 26 and 2'! formed in said walls 24 and 25 respectively.

The shaft 23 has formed thereon a Worm 28 which meshes with the worm wheel 29 mounted on the stub shaft 30 formed on the boss 3I secured to the wall 32 of the casing I3. Adapted frictionally to engage the side of the worm wheel 29 there is provided the flange 33 formed on the cup 34 provided with an internal screw thread to engage the external screw thread formed on the shaft 35, one end of which is journaled in the ball bearings 36 formed centrally of the diminished portion 30 of the boss 3I.

The shaft has formed thereon the worm wheel 31 which meshes with the worm 38 formed on the vertical shaft 39. The other end of the shaft 35 is journaled in the ball bearings 40 formed in the wall M of the casing I 3. The shaft 35'extends'beyond the wall M and has mounted thereon the pulling roller '4 which has secured to the side thereof the sheave 42. It will thus be seen that the flange 33 and lateral face 43 of the worm Wheel 29 constitute a slip clutch for driving the tape pulling roller 4 and sheave 42.

The worm wheel 31 is provided with an extension 44 on the side thereof forming a seat for one end of the spring 45. One end of the spring 45 is secured in such seat and the other end of the spring is secured in the flange 33 of the cup 34. The tension of the spring 45 causes the cup 34 to turn on the thread of the shaft 35 to move the flange 33 outwardly away from the extension 44 and into engagement with the face 43 of the worm wheel 29. However, when the, worm 38 comes to rest and thus brings the worm wheel 31 and shaft 35 to rest, the continuing rotation of the worm wheel 29 will cause the flange 33 to rotate in a direction opposite to the tension of the spring 45 and thus wind the cup ,34 to free the face 43. Of course the rotation of the cup 34 relative to the shaft 35 when the shaft 35 comes to rest, will be but slight and just sufficient to relieve the pressure between the flange 33 and the face 43 of the worm wheel 29. The cup 34 thus constitutes an independent driving I connection and may have different angular movements and/or difierent angular velocities relative to thetape pulling roller 4 and driven member 29. In

the present instance these different angular movements or angular velocities of the driving connection relative to the tape pulling roller 4 and driven member 29 do not occur all of the time and are arranged to occur at different times. For controlling the rotation of the worm 38 and thereby the shaft 35, the means now to be described are provided. t

On the shaft 39 there is fixed the collar 46 which has extending upwardly therefrom the two spring arms 41 and 48, the upper ends of which are secured to the collar 49 slidably mounted on the shaft 39. The collar 49 is fixed to rotate with the shaft 39 by the pin 50 extending through the slot 5| formed in the collar. The slot 5| and pin 50 allow for a limited axial movement of the collar 49 on the shaft 39, being slidably movable, as above referred to.

The spring arms 41 and 48 are provided with governor weights 52 and 53 which will fly outwardly with the rotation of the shaft 39 to cause the collar 49 .to descend and in turn contract when the shaft 39 comes to rest or slows down, thereby to cause the collar 49 again to move upwardly. The collar 49 has formed at its upper end a disc 54 adapted to engage the face 55 of the plate 56 formed at the upper end of the casing l3.

The shaft 39 is journaled in the ball bearings 5! formed in the plate 55 at its upper end and journaled in the ball bearings 58 formed in the block 59 secured .to the lower wall 60 of the casing l3. If the disc 54 is forced upwardly. into engagement with the face 55 of the plate 55, the frictional resistance created will interfere with the free movement of the shaft 39, and if sufficiently great, cause the shaft 39 to come to rest. Ordinarily, however, the disc 54 will be free to rotate relative to the face 55.

For actuating the disc 54 in turn to control the operation of the shaft 39, there is provided the lever ll above referred to. The lever H is fixed on the shaft 6! journaled in the upper ends of the walls 4i and 32 as indicated in Fig. 5, and has formed centrally thereof the cam 52 to engage the free end 53 of. the lever 54 pivoted at to the pin 55, see Fig. 4, extending from the wall 4!. v i

The lever 84 has formed thereon the button 5'! disposed below the disc 54 and adapted to engage the same when the lever'64 is raised by the cam 52. For limiting the movement of the cam 62, the projection 68 is provided facing the end of the stop screw 69 secured in the side wall 25, the stop screw 69 being turned according to the limit of movement to be provided for the projection 68. The raised portion of the cam 62 is formed on the rear end of such cam 62 and consequently when the lever H is raised by the tape T, see Fig. 1, this raised portion of the cam 62 will act on the free end of the lever 63 to bring the button 61 into engagement with the disc 54 and raise it.

From the foregoing it will appear that as the ticker operates and ejects tape, it will initially form a'loop below the finger ID to permit the finger I0 to descend and thereby. actuate the lever H to turn the raised portion of the cam rotation of the shaft 39 will cause the governor weights 52'and 53 to fly outward andmove the disc 54 downward. 'At the same time, the rotation of the weights 52 and 53 will act in the usual way to regulate the speed of the shaft 39 and in turn the speed, of the shaft 35.

Immediately, when the ticker comes to rest, however, the continued rotation of the tape pulling roller 4 draws the tape T across the light aperture 3 and will take upthe loop under the finger Ill in turn to raise the lever i l and thereby actuate the cam 52 to raise the lever 94 in turn to raise the disc54. The initial engagement of the-disc 54 by the button 51 will of course im-' mediately start to slow down the rotation of the shaft 39 and continue to slow down the same if the ticker does not resume operation before the loop under the finger i0 is entirely taken up.

From the foregoing it will thus appear that the speed of feed of the tape T can be regulated according to the feed of the ticker. The deceleration of feed after the ticker comes to rest can also thus be regulated to produce the best results. Furthermore, due to the fact that the slightest movement of the lever M will immediately diminish the pressure of the disc 54 on the face 55, the tape feed actuation will be started as soon as a single character is printed by the ticker i'to eject the small length, to wit, approximately one-eighth of an inch of tape.

Due to the length of the lever I l and especially to the fact that the end i0 is weighted relative to the lightened end H whereby the center of gravity of the lever ll is brought close to the pivot pin 6! of the lever Ii, the free end of the lever II at the finger ill will move much faster than the acceleration of gravity, as indicated by the movement of the center of gravity of the lever H, andmuch faster than the rate of speed of ejection from the ticker l. On the other hand, if the rate of ejection of the ticker l is changed, the acceleration of movement of the free end if] can be correspondingly changed by changing the length of the lever and properly distributing the ,weight throughout the length thereof.

It is obvious that other means can be provided for changing the rate of acceleration of the free end of the lever I I. By this means, however, all springs and the like may be dispensed with, the vibration transmitted to the tape by the ticker l prevented from being transmitted to the portion of the tape T passing over the light aperture 3, and thus all vibration dissipating devices such as the spring fingers and the like located at the entrance end of the light aperture dispensed with. When we thus return to the principle where the finger it! alone is relied upon to dissipate the vibrations transmitted to the tape T, the pulling force of the tape pulling roller 4 may be materially reduced. On this account, the tape pulling roller 4 may have a smooth face, as indicated in Fig. 5.

The tape when passing over the tape pulling roller 4 is maintained in engagement therewith by the idler l2 journaled in the outer ends of the arms 13 and 14 respectively fixed to the bracket pivotally mounted in the boss 16 extending from the wall 4| of the casing I3. The bracket 15 is provided with a tension spring I! for urging the bracket 15, and thereby the idler 12, into engagement with the tape T, as indicated in Fig. .1.

As illustrated in Fig. 6, the arm 13 is preferably provided with a finger piece 18 whereby the idler 12 may be readily removed from engagement with the tape T for purposes of removing the tape T and the attendant can with facility thread the tape over the tape pulling roller 4. The idler 5, as indicated in Fig. 5, is provided with a flaring head 19 to facilitate guiding the tape T onto the idler 5.

The reel 6 preferably consists of two discs 80 and 8| spaced from one another to receive the tape therebetween. The disc 8| is preferably mounted on the shoulder 82 of the hub 83 which is mounted on the ball bearings 84 and 85 formed on the pin 86 extending from the free end of the bracket 81. The bracket 81, as indicated'in Fig. 5, extends down from the lower walls 60 of the casing I3. The hub 83 has formed thereon a sheave 88 having a greater diameter than the sheave 42 and formed with a grooved slipping face 89 to receive the spring belt 99 which extends up and engages the gripping face 9| of the sheave 42.

The disc 80 is mounted on the mandrel 92 which has a cylindrical portion 93 provided, see Fig. '7, with an inclined slot 94 to receive the pin 95 formed on the hub 83. The mandrel 92 is preferably provided with a button 96 to serve as a handle for manipulating the disc 80. For securing the disc 80 and cylindrical portion 93 on the hub 83, itwill be seen that it will only be necessary to bring the slot 94 into registration with the screw 95 on the hub 83 and then turn itin opposition to the movement of the sheave 88, and in turn when it is desired to remove the disc 80, when for instance the same is loaded with a reel of paper after having been discharged from the ticker. it will only be necessary to rotate the disc 80 in the opposite direction to bring the screw 95 out of the slot 94 and then withdraw the disc 89 axially. On the other hand, the disc 80 may also be removed from the hub 83 by turning the same in the same direction as the direction of rotation of the hub 83 but in advance of the same. For securing the end of the tape onto the reel thus formed, the mandrel 92 is provided with the wire finger 91 which extends in alinement with the cylindrical wall 93 and is secured at its fixed end to the button 96 by the screw 98.

The present invention also provides for centralized lubrication. All of the actuating parts are more or less associated with the casing I3. For this reason, if the casing I3 is filled with oil up to about one-third from the bottom, as indicated in Fig. 3, the rotation of the worm wheel 29 and worm 28 will cause the oil to splash around the remainder of the interior of the casing in the well-known manner.

The method of carrying out the aforesaid invention setforth in the appended claims, will appear from the aforesaid description.

It is obvious that various changes and modifications may be made to the details of construction without departing from the general spirit of the invention as set forth in the appended claims.

I claim:

1. Tape feeding means for a stock quotation projection machine of the type in which a tape, derived at varying speed from a ticker, is drawn across a light aperture, said tape feeding means comprising a tape puller for pulling the tape across the light apeIture a motor, a clutch for operatively connecting said motor,.to drive said tape puller, a governor for controlling the operation of said clutch, and a lever engaging the tape anterior to the light aperture and sensitive to the tension in the tape, said governor being operatively connected to said lever.

2. Tape feeding means for a stock quotation projection machine of the type in which a tape, derived at varying speed from a ticker, is drawn across a light aperture, said tape feeding means comprising a tape puller for pulling the tape across the light aperture, a continuously running motor, a slip clutch for operatively connecting said tape puller to be driven by said motor, a governor for regulating the speed of said tape puller, and a lever engaging the tape anterior to the light aperture and operatively connected to actuate said governor according to the tension formed in the tape anterior to the light aperture.

3. Tape feeding means for a stock quotation projection machine of the type in which a tape, derived at varying speed from a ticker, is drawn across a light aperture, said tape feeding means comprising a tape puller for pulling the tape across said light aperture, a lever engaging the tape anterior to the light aperture and forming a loop in the tape when the tape is fed to said light aperture, a continuously operating motor, driven means for said tape puller, a slip clutch for drivingly connecting said driven means with said motor, a'brake device operatively associated with said driven means, and means including a cam operatively associated with said lever for operating said brake device to control said driven means to retard the operation of said driven means as the feed to said light aperture slows down and to arrest said driven means when the feed to said light aperture comes to rest.

4. Tape feeding means for a stock quotation projection machine of the type in which a tape, derived at varying speed from a ticker, is drawn across a light aperture, said tape feeding means comprising a tape puller for pulling the tape across the light aperture, a lever engaging the tape anterior to the light aperture to dissipate the vibrations transmitted to the tape when the same is fed thereto, driven means for the tape puller operatively connected to said lever to be controlled thereby, a continuously operating motor, and a slip clutch for drivingly connecting said motor to said driven means, said clutch comprising a clutch member fixed to rotate with said motor, a floating clutch member and a spring connecting said driven means to said floating clutch member and normally urging said floating clutch member into clutching engagement with said fixed clutch member, said lever extending from said tape puller the length of said light aperture to engage the tape anterior to said light aperture.

5. Tape feeding means for a stock quotation projection machine of the type in which a tape, derived at varying speed from a ticker, is drawn across a light aperture, said tape feeding means comprising a tape puller for pulling the tape across the light aperture, driven means for actuating said tapepuller, a continuously operating motor, a slip clutch for drivingly connecting said motor to said driven means, said clutch comprising a clutch member fixed to rotate with said motor, a floating clutch member and a spring connecting said driven means to said floating clutch member and normally urging said floating clutch member into clutching engagement with said fixed clutch member, and a lever for controlling said driven means extending the length of said light aperture to engage the tape anterior to said light aperture.

6. Tape feeding means for a stock quotation projection machine of the type in which a tape,

derived at varying speed from a ticker, is drawn across a light aperture, said tape feeding means comprising a tape; puller for pulling the tape across the light aperture, driven means for operating said tape puller, and an elongated lever for controlling said driven means having its free end engaging the tape anterior to said light aperture, said lever being weighted adjacent toits pivot point between its pivot point and its tape engaging end whereby the center of gravity of the lever is brought close to its pivotal point and the normal acceleration of the lever due to gravity is augmented. j

7. Tape feeding means for a stock quotation projection machine of the type in which a tape, derived at varying speed froina ticker, is drawn across a light aperture, said tape feeding means comprising a tape puller for pulling the tape across'the light aperture, driven means for operating said tape puller, and an elongated lever for controlling said driven means having its free end engaging the tape anteriorto said light aperture, said lever having its center of gravity adjacent to its pivot point between its pivot point and its tape engaging end whereby the center of gravity of the lever is brought close to its pivotal point -'and the normal acceleration. of the lever due to ing motor, a slip clutch operatively connecting said motor with said tape puller, said slip clutch comprising a clutch member fixedto rotate with said motor, a freely rotatable clutch member,

and yieldable' means for connecting said freely rotatable clutch member to said tape puller and for urging said freely rotatable clutch member into clutching engagement with said fixed clutch member, and a lever for controlling the slippage of said slip clutch operativelyconnected to said tape puller and extending toand engaging the tape anterior to said light aperture, said slippage varying according to the velocity of feed of th tape across the light aperture.

9'. Tape feeding means for a stock quotation projection machine of the type in which a tape, derived at'varying speed from a ticker, is drawn across a light aperture, said tape feeding means comprising a tape puller for pulling the tape across the light aperture, driven means for the tape puller, a continuously'operating, motor, a slip clutch for operatively connecting said motor to said driven means, said slip clutch comprising a clutch member fixed to rotate with said motor,

a freely rotatable clutch member, and yieldable means for connecting said freely rotatable clutch member to said driven means and for urging said freely rotatable clutch member into clutching engagement with said fixed clutch member, a brake for the driven means, and a lever operatively connected to said brake and extending to and engaging the tape anterior to said light aperture.

10. Tape feeding means for a stock quotation projection machine of the type in which a tape, derived at varying speed from a ticker, is drawn across a light aperture, said tape feeding means comprising a tape puller for pulling the tape across the light aperture, driving means for the tape puller, a continuously operating motor, a slip clutch for operatively connecting the motor to said driving means, a lever for controlling said driving means extending to and engaging the tape anterior to said light aperture, said slip clutch consisting of a rotatable member continuously operated by said motor, a second rotatable member in frictional engagement with said first rotatable member sorew-threadedly connected to said driving means, and a spring urging said second rotatable member to turn into driving engagement with said first rotatable member,

11. Tape feeding means for a stock quotation projection machine of the type in which a tape, derived at varying speed from a ticker, is drawn across a light aperture, said tape feeding means. comprising a tape puller for pulling the tapeacross the light aperture,-driving means for the tape puller, a continuously operating motor, a slip clutch for operatively connecting the motor to said driving means, a lever for controlling said driving means extending to and engaging the tape anterior to said light aperture, said slip clutch consisting of a rotatable member continuously operated by said motor, a second rotatable member in frictional engagement with said first rotatable member. screw-threadedly connected to said driving means, and a spring urging said second rotatable member to turn into driving en gagement with said first rotatable member, said driving means when arrested cooperating with said first rotatable member to turn said second rotatable member against. the tension of said -spring out of clutching engagement with said first rotatable member.

12. Tape feeding means for a stock quotation projection machine of the type in which a tape, derived at varying speed from a ticker, is drawn across a light aperture, said tape feeding means comprising a tape puller for pulling the tape across the light aperture, driving means for said tape puller, a fixed face, a disc rotatably connected with said driving means and axially slidable, and alever engaging the tape anterior to said light aperture and operatively connected to actuate said disc into engagement with said fixed face to arrest said driving means when the feed to said light aperture comes to rest,

13. Tape feeding means for a stock quotation projection machine of the type in which a tape, derived at varying speed from a ticker, is drawn across the light aperture, said tape feeding means comprising a tape puller for pulling the tape across the light aperture, driving means for said tape puller, a fixed face, a disc rotatably connected with said driving means and axially slidable, a lever engaging the tape anterior to said light aperture, a cam formed on said lever, a second lever in operative engagement with said cam, and a face formed on said second lever adapted to engage said disc when operated by said cam to regulate the speed of said disc.

14. Tape feeding means for a stock quotation projection machine of the type in which a tape, derived at varying speed from aticker, is drawn across a light aperture, said tape feeding means comprising a tape puller for pulling the tape across the light aperture, driving means for said tape puller, a fixed face, a disc rotatably connected with said driving means and axially slidable, a lever engaging the tape anterior to said light aperture, a cam formed on said lever, a second lever in operative engagement with said cam, and a face formed on said second lever adapted to engage said disc when operated by said cam to regulate the speed of said disc, said cam being actuated by said first lever into position to actuate said second lever to press said disc against said fixed face to arrest said driving means when the feed to said light aperture comes to rest.

15. Tape feeding means for a stock quotation projection machine of the type in which a tape, derived at varying speed from a ticker, is drawn across a light aperture, said tape feeding means comprising a tape puller for pulling the tape across the light aperture, a driven means for said tape puller, yieldable means for actuating said driven means, a disc rotatable with said driven means, a lever responsive to deflections in the tape engaging the tape anterior to said light aperture, a cam formed on said lever, and a second lever in engagement with said cam to be operated thereby to engage said disc to impart a variable retarding action thereon in turn to regulate the speed of said driven means in accordance with the movement imparted to said first lever by the defiections in the tape.

16. Tape feeding means for a stock quotation projection machine of the type in which a tape, derived at varying speed from a ticker, is drawn across a light aperture, said tape feeding means comprising a tape puller for pulling the tape across the light aperture, a driving means for said tape puller, a disc rotatable with said driving means and axially slidable, a fixed collar rotatable with said driving means, weights, yieldable means for connecting said weights between said fixed collar and said disc to form a governor for regulating the speed of said driving means, a fixed abutment adjacent one side of said disc, a movable abutment adjacent the other side of said disc, and means for actuating said movable abutment to press said disc into engagement with said fixed abutment, said latter means being responsive to deflections in the tape whereby arrest of the disc may be effected when said movable abutment presses said disc into engagement with said fixed abutment.

17. Tape feeding means for a stock quotation projection machine of the type in which a tape, derived at varying speed from a ticker, is drawn across a light aperture, said tape feeding means comprising a tape puller for pulling the tape across the light aperture, a driving means for said tape puller, a disc rotatable with said driving means and axially slidable, a fixed collar rotatable with said driving means, weights, yieldable means for connecting said weights between said fixed collar and said disc to form a governor for regulating the speed of said driving means, and a lever engaging the tape anterior to said light aperture and operatively connected to engage said disc further to regulate the speed of said driving means depending upon the tension in the tape.

18. Tape feeding means for a stock quotation projection machine of the type in which a tape, derived at varying speed from a ticker, is drawn across a light aperture, said tape feeding means comprising a tape puller for pulling the tape across the light aperture, a driving means for said tape puller having a rotatable shaft, a disc axially slidable on said shaft, a fixed collar on said shaft, weights, yieldable means for connecting said weights to said fixed collar and disc to form a governor to regulate the speed of said driving means, a fixed abutment adjacent one side of said disc, a movable abutment adjacent the other side of said disc, and means for actuating said movable abutment to press said disc into engagement with said fixed abutment, said latter means being responsive to deflections in the tape whereby arrest of the disc may be effected when said movable abutment presses said disc into engagement with said fixed abutment.

19. Tape feeding means for a stock quotation projection machine of the type in which a tape, derived at varying speed from a ticker, is drawn across a light aperture, said tape feeding means comprising a tape puller for pulling the tape across the light aperture, a driven means for said tape puller, a casing for said driven means, a continuously driven shaft extending through said casing, and a slip clutch for drivingly connecting said shaft with said driven means, said slip clutch comprising a gear fixed to rotate with said driven shaft, a disc rotatably mounted adjacent to said gear, and yieldable means connecting said driven means to said disc and urging said disc into frictional engagement with a face of said gear.

20. Tape feeding means for a stock quotation projecting machine of the type in which a tape, derived at varying speed from a ticker, is drawn across a light aperture, said tape feeding means comprising a tape puller for pulling the tape across the light aperture, a casing, driven means in said casing for said tape puller, a centrifugal governor for said driven means in said casing. a continuously operating shaft extending through said casing, and a slip clutch for operatively connecting said shaft to said driven means.

21. Tape feeding means for a stock quotation projection machine of the type in which a tape, derived at varying speed from a ticker, is drawn across a light aperture, said tape feeding means comprising a tape puller for pulling the .tape across the light aperture, a casing, a driven means for said tape puller in said casing, a centrifugal governor for said driven means in said casing, a continuously operating shaft in said .casing, a slip clutch for connecting said shaft with said driven means, a lever engaging the tape 22. Tape feeding means for a stock quotationprojection machine of the type in which a tape, derived at varying speed from a ticker, is drawn across a light aperture, said tape feeding means comprising a tape puller for pulling the tape across said light aperture an elongated pivotally mounted lever, the free end of which engages the'tape anterior to said light aperture, driving means for said tape puller, and means for operatively connecting said lever to control said driving means, said tape puller, lever, driving means and connecting means being associated in a unitary structure removably connected to the posterior end of the light aperture with the lever alone extending to the anterior end of .the light aperture.

23. Tape feeding means. for tape derived at varying speed from a ticker comprising a tape puller, driving means, driven means drivingly connected to said'tape puller, a slippage device comprising a clutch fixed to rotate with said driving means, a second clutch, and yieldable means for urging said latter clutch into driving engagement with said first clutch and for yieldably connecting said latter clutch to rotate with said driven means, a 'disc independent of said second clutch fixed to rotate with said drivenmeans, a lever responsive to deflections in the tape engaging the tape, and a second lever operably connected to said first lever to engage the plane face of said disc to impart a variable pressure thereon and thus regulate the speed of said driven means in accordance with the movement imparted to said first lever by the deflections in the tape.

24. Tape feeding means for tape derived at varying speed from a ticker comprising a tape puller, a motor, a clutch for operatively connecting said motor to drive said tape puller, a governor for controlling the operation of said clutch, a lever engaging the tape after it.leaves the ticker and before it arrives at said tape puller Y sensitive to the tension in the tape, and means operatively connecting said lever with said governor to control the operation of said governor according. to the tension in said tape.

'25. Tape feeding means for tape derived at varying speed from a ticker comprising a tape puller, a lever engaging the tape after it leaves the ticker and before it arrives at said tape puller, a continuously operating motor, driven means for said tape puller, a slip clutch for drivingly connecting said driven means with said motor, a brake device operatively associated with said driven means, and means including a cam fixed to move with said lever for gradually acting on said brake device to retard the operation of said driven means as the feed to said tape puller 6 slows down and to arrest said driven means when the feed to said tape puller comes to rest.

26. Tape feeding means for tapederived at varying speed from a ticker'comprising a tape puller; a continuously 0%erating motor; a slip clutch operatively conne ting said motor with said tape puller and comprising a clutch member fixed to rotate with said motor, a second rotatable clutch member, and resilient means for connecting said second rotatable clutch member to said .tape puller and for urging said second rotatable clutch member into clutching engagement with said first clutch member; and a lever. for controlling the slippage of said slip clutch operatively connected to said tape puller and extending to and engaging the tape, (said slippage varying according to the velocity of feed to the tape.

27. Tape feeding means for tape derived at varying speed from a ticker comprising a tape 28. Tape feeding means for a stock quotation projection machine of the type in which tape derived from a ticker is drawn across a light aperture,'said tape feeding means comprising a tape puller for pulling the tape across the light aperture, and a lever for controlling the movement of said tape puller having its free end engaging the tape anterior to said light aperture, said lever being weighted adjacent to its pivot point between its pivot point and its tape engaging end whereby the center of gravity of the lever is brought close to its pivotal point and the normal acceleration of the lever due to gravity is augrnented.

29. Tape feeding means for a stock quotation projection machine of the type in which a tape derived from a ticker is drawn across a light aperture, said tape feeding means comprising a tape puller for pulling the tape across the light aperture, and a lever for controlling the movement of said tape puller having its free end engaging the tape anterior to said light aperture, said lever having its center of gravity adjacent to its pivot point between its pivot point and its tape engaging end whereby the center of gravity of the lever is brought close to its pivotal point and the normal acceleration of the lever due to gravity is augmented.

30. Tape feeding means for a stock quotation projection machine of the type in which a tape derived from a ticker is drawn across a light aperture, said tape feeding means comprising a tape puller for pulling the tape across the light aper-' ture. and a variable speed control for controlling the movement of said'tape puller including a lever having its free end engaging the tape anterior to said light aperture, the pulling speed of said tape puller varying with the movement imparted to said lever by the tape and cooperating with the pressure exercised on the tape by said lever to maintain the tape smooth at the light aperture.

31. Tape feeding means for a stock quotation projection machine of the type in which a tape derived from a ticker is drawn across a light aperture, said tape feeding means comprising a tape puller for frictionally engaging the tape, driven means for actuating said tape puller to pull the tape across the light aperture, and a variable speed control for controlling the movement of said tape puller including a lever having its free end engaging the tape anterior to the light aperture, the pulling speed of said tape puller varying with the movement imparted to said lever by the tape, said tape puller cooperating with the pressure exercised on the tape by said lever to maintain the tape smooth at the light aperture.

32. Tape feeding means for a stock quotation projection machine of the type in which a tape, derived as it is discharged by a ticker, is drawn across a light aperture, said tape feeding means comprising a tape pulling roller for pulling the member, a driving connection for operatively connecting said driven member to drive said tape pulling roller including an intermediate rotatable element capable of different angular movements relative to said tape pulling roller and driven member according as said tape pulling roller is driven or at rest, a brake device for controlling the operation-of said driving connection, and a lever engaging the tape and sensitive to the tension in the tape, said brake device being oper atively connected to said lever.

33. Tape feeding means for a stock quotation projection machine of the type in which a tape, derived as it is discharged by a ticker, is drawn across a horizontally extending light aperture, said tape feeding means comprising a tape pulling roller for pulling the tape across the light aperture, driven means for operating said tape puller, a driving connection between said tape pulling roller and said driven means, and a single elongated lever operatively associated with said driving connection and pivotally mounted in the region of the posterior end of the light aperture and extending the full length of the light aper ture to engage the tape anterior to the light aperture to respond to deflections in the tape in turn to control said driving connection.

34. Tape feeding means for a stock quotation projection machine of the type in which a tape,

derived as it is discharged by a ticker, is drawn across a light aperture, said tape feeding means comprising a tape pulling roller, a continuously operating motor, driven means operatively connected to said motor, a driving connection including" an intermediate rotatable element for operatively connecting said driven means with said tape pulling roller, said rotatable element being capable of different angular movements relative to said tape pulling roller and driven means, a brake device for controlling the operation of said intermediate rotatable element, and a lever operatively connected at one end to said brake device and having its free end engaging the tape to respond to the deflections in the tape in turn to actuate said brake device.

35. Tape feeding means for a stock quotation projection machine of the type in which a tape, derived as it is discharged by a ticker, is drawn across a light aperture, said tape feeding means comprising a rotatable tape pulling roller for pulling the tape across the light aperture, a continuously operating motor, driven means operatively connected to said motor, a driving connection including a rotatable element, for drivingly connecting said tape pulling roller to said driven means, said rotatable element having one angular movement relative to said driven means and tape pulling roller when the tape pullingroller is at rest and another angular movement relative to said driven means and tape pulling roller when the tape pulling roller is being actuated, a brake device for controlling said drivingconnection, and a lever operatively connected to said brake device and having a portion thereof across a light aperture, said tape feeding means comprising a rotatable tape puller for pulling the tape across the light aperture, a continuously operating motor, driven means operatively connected to said motor, a clutch including a rotatable clutch element for operatively connecting said tape puller to said driven means, said rotatable tape puller and rotatable clutch element having different angular relations to one another, a frictional brake device including a rotatable element for controlling said clutch, and a lever operatively connected at one end to said brake device and at its other end engaging the tape to respond to deflections in the tape in turn to actuate said brake device to control said clutch.

37. Tape feeding means for a stock quotation projection machine of the type in which a tape; derived intermittently from a ticker, is drawn across a light aperture, said tape feeding means comprising a tape pulling roller for pulling the tape across the light aperture, a continuously operating motor, means including a driving connection for operatively connecting said motor to said tape puller, said driving connection including a rotatable member fixed to rotate with said motor and an intermediate rotatable member operatively connected to said tape pulling roller, a control for drivingly connecting said intermediate rotatable member with said fixed rotatable member to cause said intermediate rotatable member to have one angular relation to said tape pulling roller and motor at one time and another angular relation to said tape pulling roller and motor at another time, said control including a brake device, and a lever operatively connected to said brake device and extending to and engaging the tape there to respond to deflections in the tape in turn to actuate said brake device.

38. Tape feeding means for a stock quotation projection machine of the type in which a tape, derived intermittently from a. ticker, is drawn across a light aperture, said tape feeding means comprising a tape pulling roller for pulling'the tape across the light aperture, a continuously operating drive shaft, a friction clutch normally drivingly connecting said tape pulling roller to said shaft, a brake including a rotatable member fixed to rotate with said tape pulling roller, and an independently movable member, a pivotally mounted lever extending the full length of the light aperture and having one end engaging the tape in advance of the anterior end of the light aperture to be rocked in response to deflections in the tape, the other end of said lever being operatively associated with said independently movable member to actuate same into braking engagement with said rotatable member in turn to anchor said tape pulling roller against rota.- tion with said drive shaft when rocked in response to deflections in the tape.

39. A tape control mechanism including a rotatable tape puller for pulling a tape across a light aperture, a continuously running driven shaft, a clutch for drivingly connecting said tape puller with said driven shaft, said clutch including a rotatable clutch element having an angular movement different than that of said tape puller, a control including a stop device operatively associated with said rotatable clutchelement, and a lever having one end operatively associated with said stop device and the other end extending to and engaging the tape at the anterior end of the light aperture to respond to deflections in the tape in turn to actuate said control.

40. A tape control mechanism including a roao 'emre end engaging the tape at the anterior end of the light aperture to respond to deflections in the tape in turn to actuate said control.

41. A tape control mechanism including a rotatable tape puller for pulling a tape across a light aperture, a continuously running driven shaft, means including a clutch for drivingly connecting said tape puller to said driven shaft, said clutch including a rotatable clutch element having a, different angular velocity than that of said tape puller, a control including a rotatable element having a different angular velocity than that of said tape puller but operatively associated with said tape puller, and a rigid lever pivotally mounted on a fixed pivot point and having one end operatively associated with said latter rotatable elementand its other end extending the full length of the light aperture to respond to deflections in the tape in turn to actuate said control.

' 42. In a tape control device, the combination of a frame having a horizontally extending support, a continuously operating drive shaft, a tape pulling sheave, a clutch for drivingly connecting said sheave to said shaft, a stop device operatively associated with said sheave, and a single lever pivotally mounted at the posterior side of said frame and extending the full length of said support to and in advance of the anterior side of said frame there to engage the tape to be rocked in response to deflections in the tape, the other end of said lever being operatively associated with said stop device at one time to anchor said sheave with said sheave and @drive against rotation with said drive shaft and at another time to release said sheave to rotate with said drive shaft according the tape.

43. In a tape feed control device, the combination of a frame having a horizontally extending support, a continuously operating drive shaft, a tape advancing sheave for advancing a tape across said support, a clutch control including a rotative element and a clutch operatively associated shaft to have different angular movements relative to said drive shaft with one angular relation for drivingly conto the deflections in' necting the sheave to said drive shaft and with anotherangular relation for liberating said sheave against rotation, and a single lever extending from the posterior side of said frame to and beyond the anterior side of said frame and having one end thereof engaging the tape in advance of said support to be rocked in response to defiections in the tape and the other end operatively associated with said rotative element to affect the rotation of said rotative element and in turn the angular relation of said clutch relative to said drive shaft according to the deflections in the tape.

44. In a tape control device, the combination of a frame having a horizontally extending support, a continuously operating drive shaft, a tape pulling roller, a clutch for establishing a driving connection between said shaft and said roller, a device operatively associated with said roller to establish or interrupt said driving connection, and an elongated lever pivotally mounted in the region of the posterior side of said frame and extending the full length of said support to and in advance of the anterior side of said frame there to engage the tape to be rocked in response to deflections in the tape, the other end of said lever being operatively associated with said device at one time to establish a non-driven relation for said roller and at another time to re-establish a driving relation for said roller.

45. In a tape feed control device, the combination of a frame having a horizontally extending support, a continuously operating drive shaft, a tape advancing rollerfor advancing a tape across said support, a clutch control including arotative element and a clutch operatively associated with said roller and drive shaft to have different angular movements relative 'to said drive shaft with one angular relation for drivingly connecting the roller to said drive shaft and with another angular relation for liberating said roller against rotation, and an elongated lever extending from the region ofthe posterior side of said frame to and beyond'the anterior side of said frame and having one end thereof engaging the tape in ad- Vance of said support to be rocked in response to deflections in the tape and the other end operatively associated with said rotative element to affect the rotation of said rotative element and in turn the angular relation of said clutch relative to said drive shaft according to the deflections in the tape.

AUGUST D. EITZEN. 

